//jsx
			
			function geta() {
				//异步请求
				//1 创建对象
				var xhr;
				if (window.XMLHttpRequest) { // code for IE7+, Firefox, Chrome, Opera, Safari
					xhr = new XMLHttpRequest();
				} else { // code for IE6, IE5
					xhr = new ActiveXObject("Microsoft.XMLHTTP");
				}
				
				//定义状态改变事件处理函数
				xhr.onreadystatechange=function(){
					if (xhr.readyState==1) {
					document.getElementById("loding").style.display="none";
				}
					if(xhr.readyState==4 && xhr.status==200)
					var obj=JSON.parse(xhr.responseText);
					document.getElementById("loding").style.display="block";
				}
				//创建异步请求
				xhr.open("GET","../xiangqing/shopmain.html");
				//发送异步请求
				xhr.send()
			}
			//	